Employee Benefit Plans - Summary of Plans Where Contributions Exceeded Five Percent of Total Plan Contributions (Details)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Pension Plan of the UNITE HERE National Retirement Fund [Member]
Multiemployer Plans [Line Items]
Year Contributions to Plan Exceeded More Than 5% of Total Contributions	true	true
Southern Nevada Culinary and Bartenders Pension Plan [Member]
Multiemployer Plans [Line Items]
Year Contributions to Plan Exceeded More Than 5% of Total Contributions	true	true
Local 68 Engineers Union Pension Plan2 [Member]
Multiemployer Plans [Line Items]
Year Contributions to Plan Exceeded More Than 5% of Total Contributions	true	true
Nevada Resort Association IATSE Local 720 Retirement Plan [Member]
Multiemployer Plans [Line Items]
Year Contributions to Plan Exceeded More Than 5% of Total Contributions	true	true